chore: add tesseralis' talk data

Author: codebytere

data/sf.yaml

@@ -44,3 +44,4 @@ speakers:
     talk: presenting and discovering our identities through social software
   - name: Nat Alison
     twitterLink: tesseralis
+    talk: how the Pokémon game series implement gender in design and gameplay

src/components/Speakers/elements.js

@@ -106,7 +106,7 @@ export const ListItem = styled.li`
     background: #1e1126;
     width: 220px;
     padding: 20px;
-    transform: translateY(-85%);
+    transform: translateY(-90%);
     border-radius: 10px;
     border: 3px solid white;
     transition: opacity 200ms ease;